(WIBW) - The CBS news magazine 48 Hours again turns the spotlight on a Topeka double murder that had gone cold for its season premiere.

It was three years ago when the show first chronicled the cold case killings of Mike Sisco and Karen Garkness, who were found murdered in 2002. The show publicly named Sisco's ex-wife, Dana Chandler, as a suspect.

Since then, Chandler has been arrested and convicted. 48 Hours cameras were along when Chandler was taken into custody in Oklahoma.

Correspondent Richard Schlesinger says the show was chosen as the season premiere because it embodies what 48 Hours is about - shining light on a case that's in danger of being forgotten and bringing the criminals to justice. He says he believes that putting the spotlight on Chandler helped move the case forward.

Schlesinger calls Chandler and Sisco's two children, Hailey and Dustin, the true heroes in the case because they were put in the unenviable position of having to go against their mother in order to bring their father's killer to justice.

The original 2009 story was done by correspondent Harold Dow in what would be one of his final pieces for the show before his unexpected death in August 2010.

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